Table 1 Sociodemographic characteristics of participants (n = 1151)
Variables | n | % |
|---|---|---|
Age (years) | ||
  ≤ 25 | 410 | 35.6 |
 26–35 | 491 | 42.7 |
  > 35 | 250 | 21.7 |
 Median (IQR) | 28 (24–34) |  |
Marital status | ||
 Never married | 915 | 79.5 |
 Married | 162 | 14.1 |
 Divorced or widowed | 74 | 6.4 |
Residence in Chongqing | ||
 Yes | 856 | 74.4 |
 No | 295 | 25.6 |
Education | ||
 Senior high school and below | 358 | 31.1 |
 College and above | 793 | 68.9 |
Occupation | ||
 Enterprise, public institution or government | 186 | 16.2 |
 Solo business owners or service providers | 770 | 66.9 |
 Retired, unemployed or students | 195 | 16.9 |
Monthly income (Yuan) | ||
  < 3000 | 217 | 18.9 |
  ≥ 3000 | 934 | 81.1 |